semi auto handguns,MasterPiece Arms,MPA57DMG,5.7x28mm View cart “Masterpiece Arms Defender, Side Charging, 5.7x28mm, 17rd, Threaded Barrel” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKMasterpiece Arms Defender, Side Charging, 5.7x28mm, 17rd, Threaded Barrel $694.99 Original price was: $694.99.$625.49Current price is: $625.49. Add to cart